| Document and Entity Information | Sep. 08, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | R1 RCM Inc. /DE |
| Amendment Flag | false |
| Entity Central Index Key | 0001910851 |
| Document Type | 8-K |
| Document Period End Date | Sep. 08, 2022 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-41428 |
| Entity Tax Identification Number | 87-4340782 |
| Entity Address, Address Line One | 434 W. Ascension Way |
| Entity Address, Address Line Two | 6th Floor |
| Entity Address, City or Town | Murray |
| Entity Address, State or Province | UT |
| Entity Address, Postal Zip Code | 84123 |
| City Area Code | (312) |
| Local Phone Number | 324-7820 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common stock, par value $0.01 per share |
| Trading Symbol | RCM |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
